#ifndef _SYS_WAIT_H
#define _SYS_WAIT_H

#include <sys/types.h>

#define _LOW(v)         ((v)&0377)
#define _HIGH(v)        (((v) >> 8) & 0377)

/* options for waitpid, WUNTRACED not supported */
#define WNOHANG     1
#define WUNTRACED   2

#define WIFEXITED(s)    (!((s)&0xFF))
#define WIFSTOPPED(s)   (((s)&0xFF)==0x7F)
#define WEXITSTATUS(s)  (((s)>>8)&0xFF)
#define WTERMSIG(s)     ((s)&0x7F)
#define WSTOPSIG(s)     (((s)>>8)&0xFF)
#define WIFSIGNALED(s)  (((unsigned int)(s)-1 & 0xFFFF) < 0xFF)

pid_t wait(int *stat_loc);
pid_t waitpid(pid_t pid, int *stat_loc, int options);

#endif
